Baltimore MD Most Precipitation in a Day for Each Year

This page lists the biggest rainstorms or snowstorms of the year in Baltimore, Maryland along with the date they occurred. The information answers questions like: When was the last time more than half a foot of rain landed on Baltimore in a single day? What was the wettest day of 2019?

The list gives the highest daily precipitation for each year in Baltimore and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records go back to 1893. During that time the heaviest downpour measured for a single day was 7.62 inches (193.5 millimetres) on August 23, 1933.

Since 1940 the precipitation extremes were observed at Baltimore Washington International Airport. Before then, the weather station was in downtown Baltimore.

Most precipitation in one day for recent years in Baltimore
Inches	Date	Millimetres
2.20	November 21, 2023	55.9
2.46	July 07, 2022	62.5
4.13	September 01, 2021	104.9
3.51	August 12, 2020	89.2
1.74	March 21, 2019	44.2
4.79	July 21, 2018	121.7
2.58	July 28, 2017	65.5
2.61	February 24, 2016	66.3
3.11	June 27, 2015	79.0
6.30	August 12, 2014	160.0
3.66	October 11, 2013	93.0
5.51	October 29, 2012	140.0
3.59	August 27, 2011	91.2
6.02	September 30, 2010	152.9

Highest daily precipitation recorded at Baltimore each year
Inches	Date	Millimetres
2.29	May 26, 2009	58.2
3.57	September 27, 2008	90.7
2.52	April 15, 2007	64.0
2.75	June 25, 2006	69.9
4.37	October 08, 2005	111.0
4.45	July 27, 2004	113.0
2.30	February 22, 2003	58.4
2.21	August 28, 2002	56.1
3.23	August 30, 2001	82.0
2.14	September 25, 2000	54.4
5.02	September 16, 1999	127.5
1.82	January 23, 1998	46.2
2.75	August 20, 1997	69.9
2.73	December 13, 1996	69.3
2.67	August 06, 1995	67.8
2.62	September 22, 1994	66.5
2.45	March 13, 1993	62.2
2.47	September 25, 1992	62.7
2.36	March 23, 1991	59.9
2.35	July 12, 1990	59.7
2.60	August 28, 1989	66.0
1.75	July 23, 1988	44.5
3.18	July 01, 1987	80.8
2.49	December 24, 1986	63.2
5.00	September 27, 1985	127.0
1.84	August 03, 1984	46.7
3.26	February 11, 1983	82.8
1.87	October 25, 1982	47.5
2.30	July 04, 1981	58.4
1.71	October 25, 1980	43.4
4.39	September 05, 1979	111.5
2.33	July 03, 1978	59.2
3.36	December 18, 1977	85.3
4.18	September 16, 1976	106.2
3.45	July 13, 1975	87.6
1.99	December 16, 1974	50.5
1.78	September 03, 1973	45.2
3.84	June 22, 1972	97.5
4.04	August 27, 1971	102.6
1.83	April 14, 1970	46.5
1.95	August 09, 1969	49.5
3.72	September 10, 1968	94.5
2.72	July 02, 1967	69.1
3.82	September 14, 1966	97.0
1.64	February 07, 1965	41.7
2.02	November 25, 1964	51.3
3.19	June 29, 1963	81.0
2.74	October 04, 1962	69.6
2.39	October 21, 1961	60.7
3.42	September 12, 1960	86.9
2.37	June 02, 1959	60.2
2.68	August 12, 1958	68.1
2.37	September 10, 1957	60.2
4.26	July 20, 1956	108.2
4.91	August 12, 1955	124.7
1.28	October 15, 1954	32.5
3.41	August 08, 1953	86.6
5.85	July 08, 1952	148.6
2.33	June 10, 1951	59.2
2.33	September 10, 1950	59.2
2.21	May 22, 1949	56.1
2.75	August 11, 1948	69.9
2.97	November 03, 1947	75.4
2.81	July 22, 1946	71.4
2.49	December 05, 1945	63.2
3.41	September 13, 1944	86.6
2.65	October 26, 1943	67.3
4.67	August 08, 1942	118.6
3.65	June 23, 1941	92.7
2.19	April 08, 1940	55.6
2.74	April 26, 1939	69.6
1.65	February 19, 1938	41.9
3.74	April 26, 1937	95.0
2.51	August 29, 1936	63.8
3.45	September 05, 1935	87.6
3.84	September 07, 1934	97.5
7.62	August 23, 1933	193.5
3.30	October 17, 1932	83.8
2.08	August 22, 1931	52.8
2.23	May 24, 1930	56.6
3.39	October 02, 1929	86.1
2.69	August 12, 1928	68.3
1.98	October 12, 1927	50.3
3.11	November 16, 1926	79.0
2.42	January 02, 1925	61.5
1.97	August 25, 1924	50.0
1.62	October 23, 1923	41.1
4.38	October 10, 1922	111.3
2.06	May 12, 1921	52.3
2.64	August 01, 1920	67.1
1.64	July 18, 1919 +	41.7
1.71	March 21, 1918	43.4
1.77	July 10, 1917	45.0
1.87	July 25, 1916	47.5
3.94	June 02, 1915	100.1
2.12	November 15, 1914	53.8
2.75	August 01, 1913	69.9
5.97	September 24, 1912	151.6
3.05	August 25, 1911	77.5
3.39	April 17, 1910	86.1
3.08	December 13, 1909	78.2
1.61	January 12, 1908	40.9
3.13	September 23, 1907	79.5
3.99	July 22, 1906	101.3
2.62	July 07, 1905	66.5
3.20	September 15, 1904	81.3
3.90	July 12, 1903	99.1
3.29	September 26, 1902	83.6
2.88	December 29, 1901	73.2
2.21	September 16, 1900	56.1
1.86	August 27, 1899	47.2
1.47	August 05, 1898	37.3
2.10	July 27, 1897	53.3
3.48	February 06, 1896	88.4
4.76	September 06, 1895	120.9
1.90	September 19, 1894	48.3
1.21	February 13, 1893	30.7

Baltimore - Extreme Daily Precipitation for Each Year

Reference

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